CN109754953A - Resistance to alternation operating condition power cable process units - Google Patents
Resistance to alternation operating condition power cable process units Download PDFInfo
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- CN109754953A CN109754953A CN201910111828.7A CN201910111828A CN109754953A CN 109754953 A CN109754953 A CN 109754953A CN 201910111828 A CN201910111828 A CN 201910111828A CN 109754953 A CN109754953 A CN 109754953A
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Abstract
The present invention provides a kind of resistance to alternation operating condition power cable process units, including multiple rotatable raw material frames and can multiple directions rotation wrap-up, the container for accommodating lubriation material is equipped with below raw material frame, the top of container be equipped with it is multiple communicated with the hollow rotating shaft of raw material frame into silk mouth, the second porcelain tube passed through for being twisted core is equipped in the bottom of container.By using above scheme, one layer of lubricant layer can be adhered in the raw material thread of cable, the i.e. surface of copper free wire, lubricant layer is high expansion graphite worm.It is twisted and small flake graphite can be adsorbed between raw material thread by what container was arranged between twisted process, raw material thread.The micro tribology under alternation operating condition in power cable between copper free wire is reduced, the service life of power cable is greatly improved, improves the time between failures of equipment.
Description
Technical field
The present invention relates to cables to produce equipment field, especially a kind of resistance to alternation operating condition power cable process units.
Background technique
Under alternation operating condition, the service life of cable is in addition to related to the deformability of material itself, also between material
Micro tribology it is related, in the application for needing higher alternation speed, the micro tribology between core leads to biggish abrasion.To
Influence the resistivity and effectiveness of core.Chinese patent literature CN105825915A describes a kind of automatic submerged arc welding machine
With high temperature resistant flexible cable, it is provided with talcum powder thin layer in cable, the micro tribology between core can be reduced, improves cable and is handing over
Service life under variable working condition.But program processing is more difficult, is mainly difficult to ensure that the thickness of lubricant layer is uniform.And it is residual
The talcum powder deposited is easy to influence the quality of next procedure.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of resistance to alternation operating condition power cable process units, can reduce
Micro tribology between the copper wire of cable, the power cable service life being able to extend under alternation operating condition, in the cable of multicore structure
In can be improved the electric conductivity of cable, reduce resistivity.
In order to solve the above technical problems, the technical scheme adopted by the invention is that: a kind of resistance to alternation operating condition power cable is raw
Produce device, including multiple rotatable raw material frames and can multiple directions rotation wrap-up, below raw material frame be equipped be used for
Accommodate the container of lubriation material, the top of container be equipped with it is multiple communicated with the hollow rotating shaft of raw material frame into silk mouth, in container
Bottom is equipped with the second porcelain tube passed through for twisted core.
In preferred scheme, the bottom of the raw material frame is rotatable by the top of vertical hollow rotating shaft and container
Connection, hollow rotating shaft are connect with the driving device of driving rotation.
In preferred scheme, raw material thread package is rotatably supported in raw material frame, the rotation axis and sky of raw material thread package
The axis of heart shaft is vertical.
In preferred scheme, it is equipped with towards one end of raw material frame into silk mouth in hollow rotating shaft, is bell shape into silk mouth
Porcelain mouth；
It is equipped with the first porcelain tube at the top of container, is connected into silk mouth with the first porcelain tube.
In preferred scheme, damping unit is equipped between the rotation axis and raw material frame of raw material thread package.
In preferred scheme, the container is connect with graphite worm import, strainer is additionally provided on container, strainer is far from appearance
The side of device inner cavity is equipped with negative-pressure ward mouth.
In preferred scheme, the raw material frame in the concentric array arrangement in the top of container, each raw material frame it is hollow
It is interconnected between shaft by transmission mechanism, raw material frame device of rotation driving passes through transmission mechanism and one of raw material frame
Hollow rotating shaft connection；
Or each hollow rotating shaft is connect with independent raw material frame device of rotation driving.
In preferred scheme, in the wrap-up, product volume, which is shelved, rotatably to be connect by shaft with rack, at
Product are wrapped frame and connect with package frame device of rotation driving；
Product volume, which is shelved, is equipped with finished product package, and finished product package is connect with the package device of rotation driving of driving rotation；
The pivot center of finished product package is vertical with the axis of shaft.
In preferred scheme, thread guide devices are additionally provided in the upstream side of wrap-up, in the thread guide devices, swing is drawn
Coil holder and lead cam axis connection.
In preferred scheme, band device is additionally provided between container and wrap-up；
In the band device, band volume is mounted on the one of twisted core in a manner of it can move and rotate along axial reciprocating
Side.
A kind of resistance to alternation operating condition power cable process units provided by the invention, by using above scheme, Neng Gou
The raw material thread of cable, the i.e. surface of copper free wire adhere to one layer of lubricant layer, and the lubricant layer used in this example is compacted for high expansion graphite
Worm, high expansion graphite worm are after mesh number is greater than the high purity graphite scale intercalation of 80 mesh, extruding, by desulfurization, washing and drying
The swelling volume multiple of finished product afterwards, high expansion graphite worm is greater than 800 times.High expansion graphite worm moistens with preferable interlayer
Sliding effect, and high expansion graphite worm helps to improve the electron transfer rate between copper free wire, under alternation operating condition, deposits
In the case of fracture of wire, helps to accommodate resistivity of the larger current density to reduce cable entirety, reduce the fever of overload
Amount.And also thermal conductivity with higher, comprehensive performance are much better than the scheme using talcum powder to high expansion graphite worm.By that will hold
What device was arranged between twisted process, raw material thread is twisted and small flake graphite can be adsorbed between raw material thread.It reduces and hands over
Micro tribology under variable working condition in power cable between copper free wire greatly improves the service life of power cable, improves equipment
Time between failures.In preferred scheme, the strainer and negative-pressure ward mouth of setting can produce high expansion graphite worm raw material
Raw negative pressure convenient for charging, while avoiding high expansion graphite worm from escaping.The thread guide devices of setting can make stranded core
Sequential is loaded onto product volume.The band device of setting can cover a strata tetrafluoroethene except stranded core
Band, further increases the wearability of core, also provides certain insulation effect.The raw material frame driving structure of setting, can be with
The multiple raw material frame rotations of one motor driven, to reduce energy consumption.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the structural schematic diagram for the hollow rotating shaft rotation that container top drives raw material frame in the present invention.
Fig. 3 is using power cable construction cross-sectional view made of device in the present invention.
In figure: control conductor 1, lubricant layer 2, insulating layer 3, shielding band 4, metal mesh woven shield 5, rubber filling layer 6,
Fire guard 7, fiber braiding layer 8, oversheath 9, power wire core 10, raw material thread package 100, raw material frame 101, into silk mouth 102, first
Porcelain tube 103, container 104, graphite worm import 105, the second porcelain tube 106, strainer 107, negative-pressure ward mouth 108 are twisted core
109, band volume 110, Damping rotation shaft 111, damped sleeve 112, driving lever 113 drives gear 114, and product volume shelves 115, finished product
Device of rotation driving 117 is wrapped in package 116, and frame device of rotation driving 118, rack 119, transmission belt 120, raw material frame turn is wrapped
Dynamic driving device 121, lead camshaft 122 swing lead frame 123, hollow rotating shaft 124, shaft 125.
Specific embodiment
In Fig. 3, the construction of cable prepared using apparatus of the present invention is as follows: including multiple control conductors 1 and power wire core
10, insulating layer 3 and shielded layer are successively arranged except control conductor 1；Insulating layer 3 and shielding are successively arranged except power wire core 10
Layer；It is filled out between control conductor 1 and power wire core 10 filled with rubber between each control conductor 1, between power wire core 10
Fill layer 6；
Fire guard 7, fiber braiding layer 8 and outer shield are successively arranged except the cable assembly that control conductor 1 and power wire core 10 form
Set 9.1 quantity of control conductor is 2 ~ 8, and power wire core 10 is 2,3 or 4；Control conductor 1 is located at centre, power line
Core 10 is located at surrounding.Control conductor 1 is arranged by the way of at strand, is successively arranged profit except every control conductor 1
Slip layer 2, insulating layer 3, shielding band 4 and metal mesh woven shield 5.Lubricant layer 2 is equipped between control conductor 1 and insulating layer 3；
The lubricant layer 2 is high expansion graphite worm.Lubricant layer 2 is equipped between power wire core 10 and insulating layer 3；The lubrication
Layer 2 is high expansion graphite worm.
High expansion graphite worm described in this example is after mesh number is greater than the graphite flakes intercalation of 80 mesh, extruding, by de-
Sulphur, washing and it is dry after finished product, the swelling volume multiple of high expansion graphite worm is greater than 800 times, preferably using 1000 ~
1500 times.High expansion graphite worm is commercially available product, and in Hubei Province, Dangyang City is newly bought at graphite Co., Ltd.High expansion stone
Black worm is twisted the appearance that process is adhered to copper free wire in the copper free wire of power wire core 10 and control conductor 1 after stirring
Between face and copper free wire, using the interlayer lubricant effect of graphite worm, inventors have found that when the swelling volume times of graphite worm
Number is greater than 800 times, can obtain very thin profit by way of Electrostatic Absorption or conductive silicone grease adherency on the surface of copper free wire
Slip layer also has the graphite worm of part to be twisted and is fixed between copper free wire, during the twisting process to further increase anaerobic
Lubricant effect between copper wire, and graphite worm also has preferably conductive and heat-conducting effect, can reduce between copper free wire
Resistivity.It is wrapped lower than the polytetrafluoroethylene (PTFE) band of 0.05mm with thickness on setting 2 surface of lubricant layer.
In Fig. 1 ~ 2, a kind of resistance to alternation operating condition power cable process units, including multiple 101 Hes of rotatable raw material frame
Can multiple directions rotation wrap-up, container 104 for accommodating lubriation material is equipped with below raw material frame 101, it is preferred that
High expansion graphite worm is filled in container 104.The top of container 104 is equipped with multiple hollow rotating shafts 124 with raw material frame 101
Communicate into silk mouth 102, the second porcelain tube 106 passed through for twisted core 109 is equipped in the bottom of container 104.More raw material threads
It penetrates from into silk mouth 102, is twisted in container 104, and high expansion graphite worm is adsorbed or is clamped in the table of raw material thread
Face.
As shown in figure 1, the bottom of the raw material frame 101 passes through vertical hollow rotating shaft 124 and container 104 to preferred scheme
Top setting cannulated sleeve rotatably connect, hollow rotating shaft 124 with driving rotate driving device connect.Preferably such as
In Fig. 2, the raw material frame 101 in the concentric array in the top of container 104 arrangement, concentric arry described in this example refer to from
The center of circle is uniformly distributed between the raw material frame 101 of each ring to the multiple cricoid arrays in edge.Similar multiple concentric circles.Each raw material frame
It is interconnected between 101 hollow rotating shaft 124 by transmission mechanism, the transmission mechanism in this example uses synchronous belt, and raw material frame turns
Dynamic driving device 121 is connect by transmission mechanism with the hollow rotating shaft 124 of one of raw material frame 101；As shown in Figure 2, outside
It is interconnected between the hollow rotating shaft 124 of ring by synchronous belt, in the hollow rotating shaft of a hollow rotating shaft 124 and inner ring of end
124, by synchronizing band connection, pass through synchronous band connection, each hollow rotating shaft of inner ring between each hollow rotating shaft 124 of inner ring
124 ends pass through synchronous band connection, hollow rotating shaft 124 and raw material frame the rotation drive in the center of circle with the hollow rotating shaft 124 for being located at the center of circle
Dynamic device 121 connects, and raw material frame device of rotation driving 121 uses the combination of retarder and speed regulating motor.So that raw material frame 101
The rotation direction that revolving speed and rotation direction shelve 115 with product volume matches.
In another optional scheme, each hollow rotating shaft 124 is connect with independent raw material frame device of rotation driving.The program
In the cable machinery manufacture thicker for diameter.
As shown in figure 1, raw material thread package 100 is rotatably supported in raw material frame 101 preferred scheme, raw material thread package
100 rotation axis is vertical with the axis of hollow rotating shaft 124.That is hollow rotating shaft 124 is while rotation, raw material thread package 100
It is rotated under the traction of raw material thread, it is preferred that between the rotation axis and raw material frame 101 of raw material thread package 100 or raw material thread is rolled up
It fills and is equipped with damping structure between 100 rotation axis and raw material thread reel, the size of resistance is compared with the tensile strength of raw material thread
Match, should preferably be lower than the tensile yield limit of raw material thread.
In preferred scheme, it is equipped with towards one end of raw material frame 101 into silk mouth 102, into silk mouth 102 in hollow rotating shaft 124
For the porcelain mouth of bell shape；Thus structure reduces the friction of raw material thread.Since raw material thread package 100 is usually with biggish
Length, thus raw material thread and between the axis of silk mouth 102 have an angle, into silk mouth 102 bell shape need with
Maximum angle matches.
It is equipped with the first porcelain tube 103 at the top of container 104, is connected into silk mouth 102 with the first porcelain tube 103.First porcelain tube 103
Bottom be equipped with bell shape.
As shown in figure 1, the container 104 is connect preferred scheme with graphite worm import 105, the graphite worm in this example
By extruding and crushing is sufficiently stirred, strainer 107 is additionally provided on container 104, uses ceramic filter screen in this example, strainer 107 is separate
The side of 104 inner cavity of container is equipped with negative-pressure ward mouth 108, by negative-pressure ward mouth 108 to negative pressure is taken out in container 104, thus just
In charging, also graphite worm is avoided to escape.Preferably, the circlewise structure of strainer 107, positioned at the inner core of container 104, strainer 107
The inner wall of upper and lower side and container 104, which is constituted, to be sealed, and the inner wall that graphite worm import 105 passes through strainer 107 reaches the interior of container 104
Chamber, negative-pressure ward mouth 108 pass through the wall of container 104, positioned at cavity where the outer wall of strainer 107.Thus structure improves strainer
Filter area, it is ensured that enough negative pressure.
As shown in figure 1, in the wrap-up, product volume shelves 115 by shaft 125 and rack 119 to preferred scheme
Rotatable connection, product volume are shelved 115 and are connect with package frame device of rotation driving 118；
Product volume shelves 115 and is equipped with finished product package 116, the package device of rotation driving 117 of finished product package 116 and driving rotation
Connection；
The pivot center of finished product package 116 is vertical with the axis of shaft 125.Thus structure makes finished product package 116 with shaft
While 125 axis is that the center of circle rotates, also in rotation, movement that is twisted and winding is realized.Device of rotation driving 117 in this example
It is the combination of retarder and speed regulating motor with package frame device of rotation driving 118.Preferred retarder uses RV big retarding ratio
Retarder.
Preferred scheme is additionally provided with thread guide devices as shown in figure 1, in the upstream side of wrap-up, in the thread guide devices,
Lead frame 123 is swung to connect with lead camshaft 122.Thus structure is driven by the rotation of lead camshaft 122 and swings lead
Frame 123 moves back and forth, to realize that twisted core 109 is sequentially arranged in finished product package 116.
Preferred scheme as shown in figure 1, is additionally provided with band device between container 104 and wrap-up；Using poly- in this example
Tetrafluoroethene film band.
In the band device, band volume 110 is mounted on twisted wire in a manner of it can move and rotate along axial reciprocating
The side of core 109.As shown in figure 1, band volume 110 is connect specific structure with Damping rotation shaft 111, Damping rotation shaft 111 and fixed installation
Damped sleeve 112 rotatably connect, the resistance between damped sleeve 112 and Damping rotation shaft 111 should be less than polytetrafluoroethylene (PTFE)
The tensile yield limit of film band, is equipped with driving lever 113 on Damping rotation shaft 111, driving lever 113 can drive shaft along axial-rotation and
The rotation for not influencing Damping rotation shaft 111 is equipped with rack gear on driving lever 113, is equipped with driving gear 114 in the side of driving lever 113, drives
Moving gear 114 is connect with driving device, by driving the rotation of gear 114 that driving lever 113 is driven to move back and forth, to drive band
Volume 110 moves back and forth, so that the output angle of band remains unchanged.Thus structure, band volume 110 can be selected relatively inexpensive
Material production, and for the of less demanding of precision, advantageously reduce the cost of band volume 110.
Another optional structure is that band volume 110, which is mounted on, to be rolled up on the bracket of 110 axial movements along band, band volume
There is damping, bracket is equipped with rack gear, and driving gear 114 is connect with driving device, by driving gear between 110 and bracket
114 rotation drives bracket to move back and forth.
In use, the high expansion graphite worm after purification extruding is sent to container 104 through graphite worm import 105, it is former
Material silk package 100 is mounted in raw material frame 101, is preferably coated with conductive silicone grease on the surface of raw material thread, high swollen for attaching
Swollen graphite worm, raw material thread is penetrated into after silk mouth 102 and the first porcelain tube 103, is entered in container 104, from the second porcelain after plying
Pipe 106 is pierced by, and the top of the second porcelain tube 106 is bell-mouthed structure.Core after plying passes through fixed conductor loop 126 and swings
Lead frame 123 is connect with finished product package 116, it is preferred that plying raw material thread is applied in container 104 by 116 ground connection of finished product package
Add positive charge, to increase the Electrostatic Absorption effect of raw material thread.Starting package frame device of rotation driving 118, package rotate driving dress
117 and raw material frame device of rotation driving 121 are set, wherein raw material frame device of rotation driving 121 drives raw material frame 101 and finished product to be wrapped
The direction of rotation of frame 115 is on the contrary, to provide the twisted power between raw material thread.By the polytetrafluoroethylene film band edge of band volume 110
Head rides over twisted 109 surface of core with certain inclination angle, as the rotation of twisted core 109 is coated on the surface of twisted core 109.
The twisted process of copper free wire raw material thread is realized by above step, and between the surface and copper free wire of twisted core 109
Equipped with for lubricating and conductive, thermally conductive high expansion graphite worm.The quality for greatly improving power cable finished product improves resistance to alternation
Performance of operating condition.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as limitation of the invention, this Shen
Please in embodiment and embodiment in feature in the absence of conflict, can mutual any combination.Protection model of the invention
The technical solution that should be recorded with claim is enclosed, the equivalent replacement side of technical characteristic in the technical solution recorded including claim
Case is protection scope.Equivalent replacement i.e. within this range is improved, also within protection scope of the present invention.
Claims (10)
1. a kind of resistance to alternation operating condition power cable process units, including multiple rotatable raw material frames (101) and can multiple directions
The wrap-up of rotation, it is characterized in that: being equipped with the container (104) for accommodating lubriation material, container below raw material frame (101)
(104) top be equipped with it is multiple communicated with the hollow rotating shaft (124) of raw material frame (101) into silk mouth (102), in container (104)
Bottom be equipped with the second porcelain tube (106) passed through for twisted core (109).
2. a kind of resistance to alternation operating condition power cable process units according to claim 1, it is characterized in that: the raw material frame
(101) bottom is rotatably connect by vertical hollow rotating shaft (124) with the top of container (104), hollow rotating shaft (124)
It is connect with the driving device of driving rotation.
3. a kind of resistance to alternation operating condition power cable process units according to claim 2, it is characterized in that: raw material thread is wrapped
(100) it is rotatably supported on raw material frame (101), the rotation axis of (100) and the axis of hollow rotating shaft (124) is wrapped in raw material thread
Vertically.
4. a kind of resistance to alternation operating condition power cable process units according to claim 3, it is characterized in that: in hollow rotating shaft
(124) it is equipped with towards one end of raw material frame (101) into silk mouth (102), is the porcelain mouth of bell shape into silk mouth (102)；
The first porcelain tube (103) are equipped at the top of container (104), are connected into silk mouth (102) with the first porcelain tube (103).
5. a kind of resistance to alternation operating condition power cable process units according to claim 3, it is characterized in that: raw material thread is wrapped
(100) damping unit is equipped between rotation axis and raw material frame (101).
6. described in any item a kind of resistance to alternation operating condition power cable process units according to claim 1 ~ 5, it is characterized in that: described
Container (104) connect with graphite worm import (105), be additionally provided on container (104) strainer (107), strainer (107) far from hold
The side of device (104) inner cavity is equipped with negative-pressure ward mouth (108).
7. a kind of resistance to alternation operating condition power cable process units according to claim 2, it is characterized in that: the raw material frame
(101) pass through biography between the concentric array arrangement in the top of container (104), the hollow rotating shaft (124) of each raw material frame (101)
Motivation structure interconnects, and raw material frame device of rotation driving (121) is hollow by transmission mechanism and one of raw material frame (101)
Shaft (124) connection；
Or each hollow rotating shaft (124) connect with independent raw material frame device of rotation driving.
8. a kind of resistance to alternation operating condition power cable process units according to claim 1, it is characterized in that: the winding fills
In setting, product volume is shelved (115) and is rotatably connect by shaft (125) with rack (119), and product volume shelves (115) and volume
Shelve device of rotation driving (118) connection；
Product volume shelves (115) equipped with finished product package (116), and the package rotate driving of (116) and driving rotation is wrapped in finished product
Device (117) connection；
The pivot center that (116) are wrapped in finished product is vertical with the axis of shaft (125).
9. a kind of resistance to alternation operating condition power cable process units according to claim 1 or 8, it is characterized in that: being filled in winding
The upstream side set is additionally provided with thread guide devices, in the thread guide devices, swings lead frame (123) and lead camshaft (122) even
It connects.
10. according to claim 1 ~ 5, a kind of resistance to alternation operating condition power cable process units described in 7 ~ 8, it is characterized in that: holding
Band device is additionally provided between device (104) and wrap-up；
In the band device, band volume (110) is mounted on twisted core in a manner of it can move and rotate along axial reciprocating
(109) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111828.7A CN109754953B (en) | 2019-02-12 | 2019-02-12 | Alternating working condition resistant power cable production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111828.7A CN109754953B (en) | 2019-02-12 | 2019-02-12 | Alternating working condition resistant power cable production device |
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| CN109754953A true CN109754953A (en) | 2019-05-14 |
| CN109754953B CN109754953B (en) | 2020-06-05 |
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ID=66406550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910111828.7A Active CN109754953B (en) | 2019-02-12 | 2019-02-12 | Alternating working condition resistant power cable production device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570545A (en) * | 2020-05-22 | 2020-08-25 | 宜昌红旗中泰电缆有限公司 | Environment-friendly and efficient wire drawing device for cable production and use method thereof |
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| JP2014207130A (en) * | 2013-04-12 | 2014-10-30 | 住友電装株式会社 | Coated electric cable and method for manufacturing coated electric cable |
| CN105709976A (en) * | 2014-12-03 | 2016-06-29 | 上海电缆研究所 | Method and device for coating surface of inner conductor of coaxial cable with graphite |
| CN106128568A (en) * | 2016-07-14 | 2016-11-16 | 浙江万马股份有限公司 | A kind of cable conductor based on Graphene filling and preparation method thereof |
| CN107887060A (en) * | 2017-11-20 | 2018-04-06 | 中天科技装备电缆有限公司 | The data center power sources light-duty fire-resisting flexible cable of graphene copper composite core |
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| JPH1161669A (en) * | 1997-08-07 | 1999-03-05 | Hitachi Cable Ltd | Braiding machine |
| JP2001250441A (en) * | 2000-03-03 | 2001-09-14 | Totoku Electric Co Ltd | Coaxial cable and method of manufacturing the same |
| JP2014207130A (en) * | 2013-04-12 | 2014-10-30 | 住友電装株式会社 | Coated electric cable and method for manufacturing coated electric cable |
| CN105709976A (en) * | 2014-12-03 | 2016-06-29 | 上海电缆研究所 | Method and device for coating surface of inner conductor of coaxial cable with graphite |
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| CN109754953B (en) | 2020-06-05 |
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Denomination of invention: Power cable production device under alternating working conditions Effective date of registration: 20220620 Granted publication date: 20200605 Pledgee: Bank of China Limited by Share Ltd. Three Gorges Branch Pledgor: YICHANG HONGQI ZHONGTAI CABLE Co.,Ltd. Registration number: Y2022420000167 |